P0902UT

P0902UT

P0902UT

P0902UT

变频器运行时对PLC干扰应注意的问题

变频器运行时会对周围电气设备（包括P L C ）产生较强的电磁干扰，同时变频器主电路断路器等开关器件动作时也会影响PLC 的正常工作。为防止变频器运行时对PLC干扰，变频器与P L C 相连接时应该注意以下几点：

（1）对PLC 本身应按规定的接线标准和接地条件进行接地，而且应注意避免和变频器使用共同的接地线，且在接地时使二者尽可能分开。

（2）当电源电压波动大，谐波成分多时，为抑制谐波干扰，应在PLC 的电源模块及输入/ 输出模块的电源线上接入噪音滤波器或者隔离变压器。如果干扰仍严重，应考虑在变频器主回路中接入电抗器、变压器和噪音滤波器等措施。

（3）变频器和P L C 安装在同一电控柜时，应尽可能使与变频器有关的电缆和与PLC 有关的电缆分开安装，尤其是连接变频器的强电电缆与连接PLC 的弱电电缆更要分开安装。

4 结束语

变频器和P L C 间连接问题，涉及到数字量信号连接、模拟量信号连接以及避免干扰应注意的问题；在实际应用中，两者间的连接还涉及到用弱电信号控制强电的问题。因此，应引起重视，避免干扰造成变频器、PLC 的误动作；避免连接不当造成PLC 或变频器的损坏。

如果购买单位的在质保日期一年内发现有质量缺陷的，可以进行一个免费维修或更换。

STA-01

3BHB004661R0101 KU C711 AE101---------------

E10433-E9511-H100数量1

VPC-B1654D-QK14FS   1

FTL325P-F1E1  3个

1.   PLC底板 CS1W-BC103    1件   

2.  DO模块 C200H-OC225   2件

W2E250-HL06-20    1

1.PLC电源模块 PA209R    1   

2. 码盘电路板 KIT-01     1

控制器 GCU3001-S11   1

D 664-4707 L05HYBW5NSX4-0  伺服阀（54830）   2

VFD370H43A     1

123BB500MP00061 NUMATICS   1

4BU4395-0AA70-8B  数量1

1LG4310-6AA90-Z  数量1

1LG6310-6AA60-Z  数量1

6AV7884-2AH13-3BD0

4FD5183-0AA30-1A 各1

6AV7861-1TA00-1AA0-------------

6SE6400-4BD16-5CA0

3RG4013-0AB00 各1

CI855K01   2------------------

TA951F    3---------------

PM904F   1-----------------

PCO011 12MB 带终端   1

施耐德工控机HMIRSPHXA6701    1

TCM 4351B 数量2

TCM4351B

E10433-E9511-H100数量1

3RP2505-1BB30  12

PCMD150 110S24W-GE   1

A20B-2101-0390/08A   2

IC200ALG326   1

IC200ALG260   2

IC200MDL750   1

IC200MDL640   1

IC200MDL650   1

IC200CHS022   6

IC200CPUE05   1

IC200PWR102   1

6ES7 400-0HR01-4AB0   1------------------

TWDAMI8HT   2

6ES7512-1DK01-0AB0   5

6SL3040-1MA00-0AA0   1

6SL3054-1EH00-1BA0   2

6SL3054-0ED01-1BA0   2

TSXPSY3610M   3---------------

3AXD50000006493   1

42JT-P8LAT1-P4    1个  面价 1126

Micrologic 6.0D    4-------------------

Micrologic 5.0D    1--------------

NSX100N_TMD_63A_4P    1-----------------

TM241C24T    6

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6AV2123-2DB03-0AX0    4 

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6SL3352-1AG41-0FA1    1

7ML1115-0CA30    3  

6GK1905-6AA00       1

6AV6671-8XA00-0AX0  1

6ES7718-1DC14-2AC2  1

6AV6381-2BH07-4AV0  2套

ASTAT-XT-QT10072U21MS   1台

6ES7526-2BF00-0AB0      13

6SL3244-0BB00-1BA1?   1个

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210-1PE11-8UL1 

210-1PE13-2UL1    各一

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6EP1732-0AA00    5

6ES7 151-7AA20-0AB0   2

6ES7 953-8GL11-0AA0    2

6ES7 953-8LF20-0AA0    1

6ES7 305-1BA80-0AA0    1

A5E00703842    2

A5E00444860    4

6ES7134-6GF01-0AA1   30

6ES7 522-1BL10-0AA0    5

6AV6381-2BH07-5AV0  2套

STA-01

3BHB004661R0101 KU C711 AE101

ATV71HD45N4Z     1 

CCS100N TM100D     1

VW3A5104       1

ATV71HD37N4Z   1

TLY-A2530P-HJ64AA  面价10802   1

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214-1AD22-0XA0

C98043-A7006           2

22B-D2P3N104   面价5085 1

7MH4950-2AA01   1

6ES7193-4CB60-0AA0       10

6ES7193-4CE60-0AA0      10

2198-DCBUSCOND-RP312   2   19229

VPC-B1654D-QK14FS    46443    2021年

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XBTGTO5310             1

138-6BA00-0BA0   15个

1747-L551  6台 69654------------------

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FANUC A16B-2203-0020

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FANUC A16B-3200-0020/10B CPU BOARD FAJ-01A,  

FANUC A16B-3200-0040 MAIN CPU PCB with MODULES TESTED

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FANUC A16B-3200-0071  

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FANUC A16B-3200-0110 FS16B MAIN CPU + A16B-1212-0901 Power Supply

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FANUC A16B-3200-0190/05B MAIN CPU WITH 8 DAUGHTER CARDS

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Fanuc A16B-3200-0230/13C PCB -  

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FANUC A16B-3200-0331/17G COMMUNICATION MODULE ETHERNET A16B-3200-0331

Fanuc a16b-3200-0412 /07a CPU Main Board

Fanuc A16B-3200-0412 /08A Main CPU Board

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Fanuc A16B-3200-0412/03A Main CPU Board - A16B32000412/03A

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Fanuc a16b-3200-0491 mainboard

FANUC A16B-3200-0600 SN 115437 WITH PLC MODULES TESTED  

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Fanuc A20B-8101-0285

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Fanuc A80L-0001-0275-03 Transformer

Fanuc A80L-0001-0367 Transformer

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FANUC A860-0200-T020 NSFP A8600200T020

FANUC A860-0203-T001      

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